Patent US3383871A successfully refreshed from Google Patents.
US3383871A
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US
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Apparatus for transporting cold to a remote location using an expansion ejector
Assignee: US Philips Corp
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Filing: 1966-10-07
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Granted: 1968-05-21
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Rietdijk Johan Adriaan
- 👤 Prast Gijsbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:51
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/02; F25J1/0243; F25J1/0257; F25J1/0275; F25J1/0276; F25B; F25B9/00; F25B9/08; F25B9/10; F25B2341/00; F25B2341/001; F25B2341/0011; F25B2341/0012; F25B2341/0014; F25B2341/0015; F25J2240/00; F25J2240/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |